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Integer Addition and Subtraction Demonstration by Gede Suweken

Integer Addition and Subtraction Demonstration by Gede Suweken
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2015-05-26 20:48
FunctionCoordinate GeometryGeometric ConstructionSlider Animation
This example dynamically demonstrates the process of adding and subtracting integers using visual aids. It involves core math concepts like integers, addition and subtraction operations, and number line representation. GeoGebra commands used include If, Circle, Sum, Line, Vector, Point, Text, Segment, CircumcircleArc, and Polygon for construction. Suitable for middle school mathematics education to help students visually grasp integer addition and subtraction operations.

GeoGebra Commands & Parameters

  1. If(A1 < 0, 1, 0) → B1
  2. If(A2 < 0, 1, 0) → B2
  3. If(A3 < 0, 1, 0) → B3
  4. If(A4 < 0, 1, 0) → B4
  5. If(A5 < 0, 1, 0) → B5
  6. Circle(A, 0.5) → c
  7. Circle(B, 0.5) → d
  8. Circle(C, 0.5) → e
  9. Circle(E, 0.5) → f
  10. Circle(D, 0.5) → g
  11. Circle(F, 0.5) → h
  12. Circle(G, 0.5) → k
  13. Circle(H, 0.5) → p
  14. Circle(I, 0.5) → q
  15. Circle(J, 0.5) → r
  16. Circle(F, 0.5) → s
  17. If(A6 < 0, 1, 0) → B6
  18. If(A7 < 0, 1, 0) → B7
  19. If(A8 < 0, 1, 0) → B8
  20. If(A9 < 0, 1, 0) → B9
  21. If(A10 < 0, 1, 0) → B10
  22. Sum(C1:C10) → C11
  23. Line(K, L) → b
  24. Line(M, N) → i
  25. Vector(O, P) → u
  26. Vector(Q, R) → v
  27. Point(u) → S
  28. Point(v) → T
  29. Text("+") → text8
  30. Text("+") → text9
  31. Text("+") → text10
  32. Text("+") → text11
  33. Text("+") → text12
  34. Point(b) → V
  35. Point(b) → W
  36. Segment(V, W) → j
  37. Segment(Z, C_1) → l
  38. Point(i) → E_1
  39. Segment(D_1, E_1) → m
  40. CircumcircleArc(W, F_1, E_1) → t
  41. CircumcircleArc(C_1, G_1, D_1) → c_1
  42. Polygon(H_1, I_1, 4) → poly1, n, a_1, b_1, d_1, J_1, K_1